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Thread: Code Outlet Spacing Question

  1. #1
    Join Date
    Mar 2017
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    Code Outlet Spacing Question

    According to 210.52

    ... oReceptacles shall be installed so that no point measured horizontally along the floor line
    in any wall space is more than 6 feet from a receptacle outlet


    • Wall space is defined as:

    Any space 2 feet or more in width ...


    I see it said all over (the 'net) that a plug must be placed in any wall 2' or more in length. In my reading of the code, that is somewhat of a misnomer. I read it to mean that any wall 2' or more in length, is considered wall space.

    So, if one had an alcove consisting of three 24" walls (something like |_|), only one outlet would be required within that spacing as long as there was a outlet within 12' of that location. Otherwise it would be quite odd (in my estimation) to have three outlets crammed in this small space.

    Am I correct in my understanding?

    Hopefully this is clearer than mud.

    TYIA

  2. #2
    Join Date
    Feb 2003
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    Seattle, WA
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    18,548
    You get to count around corners. In your situation, you essentially have a single "wall space" that is 6 feet long. Since it is at least 2 feet long, it needs at least one receptacle. Once you select a place for that one, anywhere else along the same wall space cannot be more than 6 feet from a receptacle. In your example, one receptacle anywhere in the alcove would suffice. If the alcove had three 5 foot walls in the same U shape you depicted, a single outlet in the center of the center wall would be 7.5 feet from each of the two edges of the other two walls. That would exceed the 6 foot limit. You could put one outlet in the center of each of the two side walls, and the farthest any point along the wall space would be from a receptacle would be the point in the center of the center wall. It would be 5 feet along the floor line from each of the two receptacles. That is acceptable.
    Charles E. Beck, P.E., Seattle
    Comments based on 2014 NEC unless otherwise noted.

  3. #3
    Join Date
    Apr 2009
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    Williamsburg, VA
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    You are correct that you would only need one receptacle in that U shaped wall space. Also, columns are not walls, so say you have a drywalled column 8" on each side, 32" perimeter. You do not have to stick a receptacle in there. It's done often in commercial as a matter of convenience, or drawings, but it's not required.
    Electricians do it until it Hertz!

  4. #4
    Join Date
    Jun 2006
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    Ohio
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    Quote Originally Posted by charlie b View Post
    ... If the alcove had three 5 foot walls in the same U shape you depicted, a single outlet in the center of the center wall would be 7.5 feet from each of the two edges of the other two walls. That would exceed the 6 foot limit. ...
    This assumes the wall breaks on both sides of the U shape. If the wall space continues (something like this __|̅ ̅ ̅ ̅|__) you could place receptacles on the front walls up to 4.5 feet from the outside corners if there is a receptacle in the center of the alcove's back wall.
    I'll never get there. No matter where I go, I'm always here.

  5. #5
    Join Date
    Mar 2017
    Location
    ny
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    Thanks for confirming what I surmised.


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